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Run results for:
Array.filter VS Array.toSpliced for element deletion
Benchmark the performance of creating a new array with an element removed by using either Array.toSpliced or Array.filter
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<iframe src="https://measurethat.net/Embed?id=621145" width="100%" height="500px"></iframe>
Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/142.0.0.0 Safari/537.36
Browser:
Chrome 142
Operating system:
Windows
Device Platform:
Desktop
Date tested:
8 months ago
Array.toSpliced
476K/s
Array.filter
23K/s
View exact numbers
Test name
Executions per second
✓
Array.toSpliced
476,026 Ops/sec
Array.filter
22,651 Ops/sec
Script Preparation code:
const arr = Array.from({ length: 10_000 }).map((_, i) => i) const deleteIndex = Math.floor(Math.random() * arr.length)
Tests:
Array.toSpliced
const newArr = arr.toSpliced(deleteIndex, 1)
Array.filter
const newArr = arr.filter((_, i) => i != deleteIndex)